Finding the Fourth Proportional to 102,538.88, 141,498.24 and 57,824

Step by Step Solution

1. Step 1: Write the proportion equation
   102,538.88 : 141,498.24 = 57,824 : x
2. Step 2: Convert to fraction form
   102,538.88/141,498.24 = 57,824/x
3. Step 3: Cross multiply
   102,538.88x = 141,498.24 × 57,824
4. Step 4: Simplify right side
   102,538.88x = 8,181,994,229.76
5. Step 5: Solve for x
   x = 8,181,994,229.76/102,538.88
6. Step 6: Final answer
   x = 79,794.07